Home / 188,817.18-260,537.22-108,229.88

Finding the Fourth Proportional to 188,817.18, 260,537.22 and 108,229.88

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Solution

The fourth proportional to 188,817.18, 260,537.22 and 108,229.88 is: 149,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,817.18 : 260,537.22 = 108,229.88 : x
  2. Step 2: Convert to fraction form
    188,817.18/260,537.22 = 108,229.88/x
  3. Step 3: Cross multiply
    188,817.18x = 260,537.22 × 108,229.88
  4. Step 4: Simplify right side
    188,817.18x = 28,197,910,753.45
  5. Step 5: Solve for x
    x = 28,197,910,753.45/188,817.18
  6. Step 6: Final answer
    x = 149,339.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.